public class TestDemo {
    public static void main(String[] args) {
        for(int i = 0; i < 26; System.out.printf("%c ", i + 'A'), i++);

        System.out.println();

        for(int i = 0; i < 26; System.out.printf("%c ", i + 'a'), i++);
    }
}

//import java.util.Scanner;
//
//public class TestDemo {
//    public static void main3(String[] args) {
//        Scanner cin = new Scanner(System.in);
//        ComPower cp = new ComPower();
//        System.out.print("请输入你的用电量:>");
//        System.out.println("你的用电量是：" + cp.getPower(cin.nextInt()));
//    }
//}
